A gathering with way too many dudes; peter being an alternate term for penis.

More commonly known as a sausage fest.
Man, fuck this peter party, yo; let's go find some bitches.
by arkansaszippers January 23, 2009
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A party or event that no one shows up for (or is poorly attended). Based on episode 21 of the Brady Bunch where Peter throws a party for himself and no one shows up.
The term Peter Brady Party can be used for social or non-social situations. Non-social situations would include meetings or presentations
by Odie813 March 2, 2010
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